🔹 Siemens SIRIUS 3RT2 Power Contactor – 3RT2026-1AC208K (AC-3 Duty, 3-Pole, 24V AC Coil, S0 Size, Screw Terminal, 25A Class)
The Siemens 3RT2026-1AC208K is a robust SIRIUS 3RT2 series power contactor designed for reliable switching of motors and industrial loads under AC-3 duty applications. It belongs to the S0 frame size class, offering a balanced combination of compact design and high switching performance.
This model features a 3-pole configuration with durable screw-type terminals, ensuring secure and vibration-resistant wiring connections for long-term industrial usage.
It is equipped with a 24V AC coil variant (AC208K), making it suitable for standard control voltage systems used in traditional industrial automation and panel designs.
The contactor also includes integrated auxiliary contacts (typically 1NO + 1NC), enabling efficient feedback and control signal integration within electrical circuits.
Built on the Siemens SIRIUS modular platform, the 3RT2 series ensures easy compatibility with overload relays, auxiliary blocks, and accessory modules, providing flexibility for modern motor control systems.
With high reliability, long mechanical life, and stable performance under frequent switching, this contactor is ideal for industrial-grade electrical distribution and control applications.
• Genuine Siemens SIRIUS 3RT2 Series Contactor
• Model: 3RT2026-1AC208K
• 3-Pole heavy-duty switching design
• AC-3 duty optimized for motor control applications
• 24V AC coil (AC208K variant)
• S0 frame size (25A class contactor)
• Screw terminal connection for secure wiring
• Integrated auxiliary contacts (1NO + 1NC)
• Compact modular design for panel integration
• High electrical and mechanical endurance
• Compatible with Siemens overload relays & accessories
• Suitable for industrial automation systems
| Parameter | Specification |
|---|---|
| Product Series | Siemens SIRIUS 3RT2 |
| Model Number | 3RT2026-1AC208K |
| Product Type | Power Contactor |
| Frame Size | S0 |
| Poles | 3 Pole |
| Utilization Category | AC-3 Duty |
| Rated Current | ~25 A |
| Power Rating | ~11 kW @ 400V |
| Coil Voltage | 24V AC (AC208K) |
| Auxiliary Contacts | 1NO + 1NC |
| Terminal Type | Screw Terminals |
| Mounting Type | Panel / DIN Rail (via accessories) |
| Brand | Siemens |
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